Home / 492,073,021.80-738,118,280.70-147,030,906.60

Finding the Fourth Proportional to 492,073,021.80, 738,118,280.70 and 147,030,906.60

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Solution

The fourth proportional to 492,073,021.80, 738,118,280.70 and 147,030,906.60 is: 220,548,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,073,021.80 : 738,118,280.70 = 147,030,906.60 : x
  2. Step 2: Convert to fraction form
    492,073,021.80/738,118,280.70 = 147,030,906.60/x
  3. Step 3: Cross multiply
    492,073,021.80x = 738,118,280.70 × 147,030,906.60
  4. Step 4: Simplify right side
    492,073,021.80x = 108,526,199,989,354,288
  5. Step 5: Solve for x
    x = 108,526,199,989,354,288/492,073,021.80
  6. Step 6: Final answer
    x = 220,548,973.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.